Depak takes 5 1 bata 2 minute to cross the bridge and Rahul take 13 bata. 4 minute to do the same bridge who take more time and by how much
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Depak takes = 51/2
1 Minute = 60 sec.
51/2 × 1min. = 51/2 × 60 sec. = 1530/60 sec.= 25.5 sec.
Rahul takes = 13/4
13/4 × 1min. = 13/4 × 60 sec. = 195/60 sec. = 19.5 sec.
Deepak takes more time by = 25.5 - 19.5 = 6 sec.
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